Simulate single sine wave

Hi all, can someone please explain to me how I can similate this graph in matlab?

Answer 1

[Sindar]

Without the noisy signal? See sin documentation.

With the signal (i.e. fitting to it), check out the answer to this question

Answer 2

[Setsuna Yuuki.]

time = linspace(0,5,200); %Sampling signal
signal = sin(2*pi*time); %sine wave

vectorx = [ones(1,length(time)/4) 3*ones(1,length(time)/4) ...
    2*ones(1,length(time)/4) 4*ones(1,length(time)/4)]; 
errorSimulated = rand(1,length(vectorx)); %simulated error

yyaxis left; %name axis Y left
plot(time,signal); hold on; %plot sine wave
ylabel('Sinusoidal signal')
yyaxis right;%name axis Y right
scatter(vectorx,errorSimulated) %scatter of error
ylabel('Simulated error')

[MadjeKoe]

I get this graph now, did I do anything wrong? Is it btw possible that the y-axis reaches from -90 to 90, and the x-axis from -40 to 40?

[Setsuna Yuuki.]

yes, you only must add this lines

yyaxis left; 
plot(time,signal); hold on;
ylabel('Sinusoidal signal')
ylim([-90 90]) %ylimit ---------- First line
yyaxis right;
scatter(vectorx,errorSimulated) 
ylabel('Simulated error')
xlim([-40 40]) %xlimit ---------- Second line